Lyon is the 3rd French city in terms of population, with over 1,750,400 inhabitants (4,400,000 with its metropolitan area). Its location makes the city rather complicated, due to the mountains and rivers that control its expansion.

Public transport is operated by TCL, from the Keolis group, servin 62 councils, including the 57 from Lyon's metropolitan area. The company runs 4 metro lines, 4 tramway routes, over 120 bus services (around 95 routes with standard buses, 3 bendy buses, 15 microbuses), 7 troleybus routes and two funiculars, as well as over 100 school services. All these bus routes are served by 1172 vehicles (not counting metros nor funiculars).

Route 32 connects Perrache railway station in the south of the city, with Grange Blance, in the Southeast of the city, after a peripherical route.